Add an implementation of EXPORT_FUNC() for RV64I systems to support them in standalone applications.
Signed-off-by: Lukas Auer lukas.auer@aisec.fraunhofer.de ---
examples/standalone/stubs.c | 11 +++++++++++ 1 file changed, 11 insertions(+)
diff --git a/examples/standalone/stubs.c b/examples/standalone/stubs.c index f37d209da6..0827bde35e 100644 --- a/examples/standalone/stubs.c +++ b/examples/standalone/stubs.c @@ -176,6 +176,16 @@ gd_t *global_data; /* * gp holds the pointer to the global_data. t0 is call clobbered. */ +#ifdef CONFIG_ARCH_RV64I +#define EXPORT_FUNC(f, a, x, ...) \ + asm volatile ( \ +" .globl " #x "\n" \ +#x ":\n" \ +" ld t0, %0(gp)\n" \ +" ld t0, %1(t0)\n" \ +" jr t0\n" \ + : : "i"(offsetof(gd_t, jt)), "i"(FO(x)) : "t0"); +#else #define EXPORT_FUNC(f, a, x, ...) \ asm volatile ( \ " .globl " #x "\n" \ @@ -184,6 +194,7 @@ gd_t *global_data; " lw t0, %1(t0)\n" \ " jr t0\n" \ : : "i"(offsetof(gd_t, jt)), "i"(FO(x)) : "t0"); +#endif #elif defined(CONFIG_ARC) /* * r25 holds the pointer to the global_data. r10 is call clobbered.